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react-native-camera
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Code Issues Projects Releases Wiki Activity

add bounds to barcodeReadEvent

This commit is contained in:
Simon Ermler 2018-03-26 23:15:59 +02:00
parent c839f11f45
commit 6939734ba3
3 changed files with 27 additions and 6 deletions
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12
android/src/main/java/org/reactnative/camera/events/BarCodeReadEvent.java
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@ -4,10 +4,12 @@ import android.support.v4.util.Pools;
import org.reactnative.camera.CameraViewManager;
import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.WritableArray;
import com.facebook.react.bridge.WritableMap;
import com.facebook.react.uimanager.events.Event;
import com.facebook.react.uimanager.events.RCTEventEmitter;
import com.google.zxing.Result;
import com.google.zxing.ResultPoint;
import java.util.Date;
@ -62,7 +64,15 @@ public class BarCodeReadEvent extends Event<BarCodeReadEvent> {
event.putInt("target", getViewTag());
event.putString("data", mBarCode.getText());
event.putString("type", mBarCode.getBarcodeFormat().toString());
WritableArray resultPoints = Arguments.createArray();
ResultPoint[] points = mBarCode.getResultPoints();
for (ResultPoint point: points) {
WritableMap newPoint = Arguments.createMap();
newPoint.putString("x", String.valueOf(point.getX()));
newPoint.putString("y", String.valueOf(point.getY()));
resultPoints.pushMap(newPoint);
}
event.putArray("bounds",resultPoints);
return event;
}
}

14
ios/RN/RNCamera.m
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@ -702,10 +702,20 @@ static NSDictionary *defaultFaceDetectorOptions = nil;
AVMetadataMachineReadableCodeObject *codeMetadata = (AVMetadataMachineReadableCodeObject *) metadata;
for (id barcodeType in self.barCodeTypes) {
if ([metadata.type isEqualToString:barcodeType]) {
AVMetadataMachineReadableCodeObject *transformed = (AVMetadataMachineReadableCodeObject *)[_previewLayer transformedMetadataObjectForMetadataObject:metadata];
NSDictionary *event = @{
@"type" : codeMetadata.type,
@"data" : codeMetadata.stringValue
@"data" : codeMetadata.stringValue,
@"bounds": @{
@"origin": @{
@"x": [NSString stringWithFormat:@"%f", transformed.bounds.origin.x],
@"y": [NSString stringWithFormat:@"%f", transformed.bounds.origin.y]
},
@"size": @{
@"height": [NSString stringWithFormat:@"%f", transformed.bounds.size.height],
@"width": [NSString stringWithFormat:@"%f", transformed.bounds.size.width]
}
}
};
[self onCodeRead:event];

7
types/index.d.ts vendored
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@ -57,10 +57,11 @@ export interface RNCameraProps {
// -- BARCODE PROPS
barCodeTypes?: Array<keyof BarCodeType>;
onBarCodeRead?(event: {
data: string
type: keyof BarCodeType
data: string,
type: keyof BarCodeType,
bounds:[{x:string,y:string}]|{origin:{x:string,y:string},size:{height:string,width:string}}
}): void;
// -- FACE DETECTION PROPS
onFacesDetected?(response: { faces: Face[] }): void;